CREJOY&trade; Extended 3500mAh Capacity Battery for Irobot Roomba 400 405 410 415 416 418 4000 4100 4105 4110 4130 4150 4170 4188 4210 4220 4225 4230 4232 4260 4296 / Discovery / Create / Dirt Dog / Schedular Models (iRobot 400 series) Brand new Battery Pack which is compatible with iRobot Roomba Advanced Power System (APS) Battery. Fully compatible with all Roomba FloorVac models. NiMH battery, 3.0Ah Capacity, 14.4V Up to 120 minutes run-time